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1.) Another form of exclaiming, "Take that!", "In yo face!", or "Haha, I have you wrapped around my little finger."

2.) To be pwned.
1.) So, I'm making you go to my party and you WILL like it. Like BOO YAH!

2.) BOO YAH! I win, sucka.
boo yah by SpazzySpazz March 3, 2009
Often Said when 'schooling'/beating your competition... almost as is you were sayin 'in Yo' face Mo'Fo'...
(kid in a bball gmae makes a steal, brings the ball down court and dunks the ma'fa' ball in the dang net...)
Then says... 'Boo-Yah' ( all upi in their opponent's face.
Boo-yah by jB February 12, 2003

boo yah'd 

When someone smashes a party drink on a fellow partyer, crushes the drink cup or can into to their cranium and then proceeds to scream boo yah'd!
Sally finishes her drink. She sees Ben.

Sally then crushes the drink on Ben's head and then screams boo yah'd!

Ben just got boo yah'd.
boo yah'd by The Party God June 13, 2011

Boo Yah Jim!

What you tell a friend when you want to let him know you just took a dump. Inspired by the phrase as used by Jim Cramer of CNBC's Mad Money.
Friend 1: Hey guy, what's going on with you?

Friend 2: BOO YAH JIM!!!

Friend 1: I bet that was a relief.
Boo Yah Jim! by Fer Serial July 19, 2009
N. A statement of glorious victory over a womens anus and vagina

V. The act of placing ones balls in a womens anus and pulling them out during intercourse.
After a man puts his balls in a womens anus while sustaining vaginal intercourse, he pulls the penis out leaving the balls tight held in the anus. Finally, the man pulls the balls out and exclaims "boo yah". This women has indeed been "Boo yah'd"
Boo Yah by MoreSickerMC September 11, 2004
short for 'boo-yakasha' from the infamous ali G, said with a finger snap formed from the compression of the third finger and the thumb, swizzling the wrist to cause the second finger to simultaniously collide with the combined third and thumb, which results in a slapping sound.=]
Ali.G:wot iz dis?
interviewee:this is cocaine
Ali.G:"booyakasha",how much iz dat?..etc
boo yah by donnyMC March 16, 2004
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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